#90590F

Closest named color: Warm Brown (#964E02). oklch(51.4% 0.108 66.8), rgb(144, 89, 15).

Aa

White text reads best on this color (5.79:1).

About this color

#90590F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 51%, its chroma 0.108 and its hue 67°. Its hue sits on the warm side of the wheel. The nearest named color is Warm Brown (#964E02), ΔE 0.027 away. White text reads best on it, at 5.79:1.

Hue familyBrowns
Lightnessmedium-dark (51%)
Chromamoderately saturated (0.108)
Temperaturewarm
Nearest nameWarm Brown (#964E02)
Black text3.62:1
White text5.79:1

Values

HEX#90590F
RGBrgb(144, 89, 15)
HSLhsl(34, 81%, 31%)
OKLCHoklch(51.4% 0.108 66.8)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #90590F 5.79:1 AA Lc -84.0 Fine for body text
Black text on #90590F 3.62:1 AA large text Lc 25.4 Dividers and decoration only
#90590F text on white 5.79:1 AA Lc 78.7 Fine for body text
#90590F text on black 3.62:1 AA large text Lc -23.1 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #F9F5F1

    oklch(97.2% 0.007 67.7)

  2. Step 100

    100

    #F1E8DF

    oklch(93.6% 0.016 67.6)

  3. Step 200

    200

    #E7D6C5

    oklch(88.5% 0.03 67.4)

  4. Step 300

    300

    #D8BB9D

    oklch(80.9% 0.053 67.9)

  5. Step 400

    400

    #C49767

    oklch(70.8% 0.084 67.6)

  6. Step 500

    500

    #B57C3C

    oklch(63.2% 0.107 66.8)

  7. Step 600

    600

    #A06413

    oklch(55.7% 0.116 67.1)

  8. Step 700

    700 (this color)

    #90590F

    oklch(51.4% 0.108 66.8)

  9. Step 800

    800

    #6F4409

    oklch(42.7% 0.09 67.4)

  10. Step 900

    900

    #5A3913

    oklch(37.6% 0.07 66.2)

  11. Step 950

    950

    #35220D

    oklch(27.1% 0.044 66.7)

Export this scale for Tailwind in the Tailwind colors tool

#90590F with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#6B5E000.069
Deuteranopia (no green cones)#786A110.060
Tritanopia (no blue cones)#9E4C4C0.084
Achromatopsia (no color)#6565650.108

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #90590F

    #90590F

    oklch(51.4% 0.108 66.8)

  • #2A6CA2

    #2A6CA2

    oklch(51.5% 0.108 246.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #90590F

    #90590F

    oklch(51.4% 0.108 66.8)

  • #9B4E38

    #9B4E38

    oklch(51.4% 0.109 36.8)

  • #796700

    #796700

    oklch(51.6% 0.106 97.1)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #90590F

    #90590F

    oklch(51.4% 0.108 66.8)

  • #007489

    #007489

    oklch(51.5% 0.092 216.1)

  • #5860A4

    #5860A4

    oklch(51.4% 0.107 276.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #90590F

    #90590F

    oklch(51.4% 0.108 66.8)

  • #007870

    #007870

    oklch(51.6% 0.09 186.7)

  • #775598

    #775598

    oklch(51.4% 0.109 306.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #90590F

    #90590F

    oklch(51.4% 0.108 66.8)

  • #21794D

    #21794D

    oklch(51.3% 0.108 156.8)

  • #2A6CA2

    #2A6CA2

    oklch(51.5% 0.108 246.8)

  • #8E4D7E

    #8E4D7E

    oklch(51.5% 0.109 337)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90590F, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #90590F in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.